From 4e58ab46ebae2933340971fd5fe8b906240fa7a4 Mon Sep 17 00:00:00 2001
From: shu <shu@lain.localdomain>
Date: Sun, 1 Dec 2019 09:02:57 +0100
Subject: [PATCH] day1

---
 2019/day1/day1.hs |  14 +++++++
 2019/day1/input   | 100 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 114 insertions(+)
 create mode 100644 2019/day1/day1.hs
 create mode 100644 2019/day1/input

diff --git a/2019/day1/day1.hs b/2019/day1/day1.hs
new file mode 100644
index 0000000..e6cfd87
--- /dev/null
+++ b/2019/day1/day1.hs
@@ -0,0 +1,14 @@
+main = do
+    content <- readFile "input"
+    let input = lines content
+    print (day11 input)
+    print (day12 input)
+
+
+day11 :: [String] -> Int
+day11 xs = sum $ map ((subtract 2) . floor . (/ 3) . read) xs
+
+day12 :: [String] -> Int
+day12 xs = (sum $ map (f . read) xs) - (sum $ map read xs) where
+    f x | x>0=x+f (((subtract 2) . floor . (/ 3) . fromIntegral) x)
+        | otherwise = 0
diff --git a/2019/day1/input b/2019/day1/input
new file mode 100644
index 0000000..71e5f95
--- /dev/null
+++ b/2019/day1/input
@@ -0,0 +1,100 @@
+50962
+126857
+127476
+136169
+62054
+116866
+123235
+147126
+146767
+140795
+54110
+106452
+98413
+114925
+141914
+54864
+120093
+118166
+81996
+143924
+145941
+96950
+126488
+85764
+111438
+63278
+147558
+128982
+123857
+58646
+80757
+98260
+97143
+136609
+99349
+63167
+142129
+144645
+97212
+70162
+98044
+125931
+103859
+67890
+67797
+79263
+134255
+130303
+73367
+103091
+97315
+74892
+82311
+51157
+79802
+138401
+108423
+63111
+61441
+102862
+53184
+125543
+147413
+117762
+106771
+115805
+66424
+85851
+53101
+82736
+136768
+130745
+140135
+101770
+55349
+143419
+60108
+84990
+91544
+75240
+92709
+134369
+140901
+59910
+63641
+54966
+104671
+71950
+60358
+127289
+147362
+70799
+82870
+108630
+53450
+106888
+129843
+53227
+58758
+137751